Bulk car liner



July 4 1933- c. A. THoMs Er Al. 1,916,344

BLK GAR LINER Filed March 3, 1952 Patented July 4, 1933 ich Artnr CARLA. THOMS AND JAMES M. SMITH, OF SHLBYVILLE, INDIANA, ASSIGNORS TO THE KENNEDY CAR LINER & BAG- COL, OF SHELBYVILLE, INDIANA, A CORPORATION' OF v INDIANAv BULK CAR LINER Appnation and March 3, 1932. serial No. teas-:05.

The invention forming the subject matter of this application is a' bulk. car' liner, forming one of' four corner sections required to line a boX car, and is designed as an' improvement on the car liner described in United States Patent No. 1,491,955, April 29, 1-924.

The main object of the present invention is vto provide a car liner section constructed to provide reinforcement where the floors and sides and ends of the car meet, one half of the reinforcement extending aflong' the sides and ends of the car, and one half along the floor.

vAnother object of the invention is to provideV a liner section so formed that it canv be readily folded for' shipment and can be instantly opened to fit in a corner of' a boX car and at the same time provide an additional reinforcement on the floor at the end of the car where reinforcement is Vmost urgently. required.

Other objects of the invention will become apparent as the detailed description thereof proceeds. l f

In the drawing:

Figu-re 1 is a perspective View of one of our car liner sections' opened up as it would be applied in actual use in the corner of a box car Figure 2 is a plan view of a car liner section showing the creases therein prior to the securing of the several parts of the section in proper position;

Figure 3 is a perspective view of the car liner section showing the method of folding the section into flat form; and

Figure 4 is a vertical transverse section taken on the line 4 4 of Figure 1.

As shown particularly in Figure 2 of the drawing, the improved liner section is formed by overlapping the edges of two sheets of paper to form a reinforcement for the corner of the section. These sheets 1 and 2 of the same width are folded toward each other to form a crease 3, the crease line being formed equi-distantly from the edges 4 and 5 of the sheets 1 and 2.

Greases 6 and 7 are formed by first folding the sheet 2 around the crease 3 until the edges of the sheets 1 and 2 are even, and then bending the folded section to form the creases 6 and 7 at a distance from the edge 8 equal to one half ofthe width of the section. The part thus folded over to form the creases 6 and 7 is then bent back diagonally yon itselfuntil the bottoni edge coincides Vwith the folded edges form-ing the creases 6 and 7. This bending forms the miter lines 8 and 9 in the sheets 1 and 2 of the folded over portions respectively.

' The miter line 8 divides the end wall part of sheet 1 of the liner section into triangular parts 1G and 11. The miter line 9 divides the floor part'of sheet 2 into triangular segments 12 and 13. The liner is then ready to be folded over and have the parts secured together. The end wall of the' finished liner section is formed by turning the triangular parts 1() and 11 of thev sheet 1 around the crease 6 at right angles to said sheet. At the same time, the triangular parts 12 and 13 of sheet 2 are bent around the crease 7 until the miter line' 9 lies below the rear face of' the sheet 2, and so that the rear wall of the triangular segment 13 lies flat against the rear face of the sheet 2. In this position, the rear wall segment 13 is pasted to the rear wall of the face 2. The front wall of the segment 13 is then pasted to the front wall of the segment 12 and the car liner section assumes the form shown in Figure 1 of the drawing.

The section may be folded for shipping or packaging in the manner shown in Figl ure 3 of the drawing; that is, the end walll parts 10 and 11 are bent inwardly on the crease 8 and the sheets 1 and 2 are caused to approach each other until the sections 10 and 11 are enclosed between the said two heets so that the liner as a whole may lie In applying the liner. it is obviously immaterial which sheet be considered the wall sheet and which the floor sheet, but it is preferable that the double layers 12 and 13 should rest against the door where the liner is most subject to wear. The sheet is placed on the car floor with the edge at 3 coinciding with the side of the car and the edge at 7 against the car end. The side wall is then opened up against the side of the car and as it opens, the end wall automatically opens out in the form of a dihedral angle of constantly in creasing magnitude, the miter line 8 which forms the apex of the dihedral angles reinforcing the end of the liner and preventing it from collapsing. The end wall is then thus automatically held in a substantially open position while the side wall is tacked against the .side of the car. lVhen the side wall is thus mechanically supported, the end wall is pushed fiat against the end of the car and similarly secured. One of the great drawbacks to a flexible liner for cars is that due to the magnitude of the areas of the walls; the paper is liable to collapse and fall down in desultory wrinkles, leading to considerable confusion and waste of time in the attempt at reinstallation. This contingency is avoided in the present invention by the very simple provision of the miter running diagonally from the common corner between the base, side and end walls.

It will be apparent from Figure 1 of the drawing that the reinforcement provided by overlapping the sheets 1 and 2 extends around the ends of the car and that in addition to this reinforcement along the ends ofthe car, the underturned triangular parts 13 and 14 form a reinforcement for the corners where the liner will be most .subject to hard wear.

While we have described our invention as embodied in concrete form and as operating in a specific manner in accordance with the provisions of the patent statutes, it should be understood that we do not limit our invention thereto, since various modifications thereof will suggest themselves to those skilled in the art without departing from the spirit of our invention, the scope of which is set forth in the annexed claims.

What we claim is:

to provide reinforcement where the floor and walls of a car meet, half of the reinforcing lapping being adapted to extend along a side and an end 'of a car and half adapted to extend along the floor adjacent said side and end, the end wall being miter creased from the f common corner of said base, side and end walls, to fold in between the base and side wall, said miter crease reinforcing the end wallby defining a dihedral angle in said end wall of increasing magnitude as said liner is opened up and persisting until said walls have assumed substantially perpendicular relation.

2. A car liner section formed of two sheets of paper or other fabric flimsy in view of its extent, folded to form a base, side and end walls, the base and wall sheets being lapped to provide reinforcement where the fioor and walls of a car meet, half of the reinforcing lapping being adapted to extend along a side and an end of a car and half adapted to eX tend along the oor adjacent said side and end, the base being miter creased at one end to fold under the body of the base and hold the end wall perpendicular to the side wall and base, said end wall being miter creased from the common corner of said base, side and end walls, to fold in between the base and side wall, said miter crease reinforcing the end wall by defining a. dihedral angle in said end wall of increasing magnitude as said liner is opened up and persisting until said walls have assumed substantially perpendicular relation.

In testimony whereof we aix our signatures.

CARL A. THOMS. JAMES M. SMITH. 

